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In 1887, Michael Faraday discovered colloidal "ruby" gold, demonstrating that nanostructured gold under certain lighting conditions produced different-colored solutions.
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In 1957, John Bardeen, William Shockley, and Walter Brattain at Bell Labs discovered the semiconductor transistor and greatly expanded scientific knowledge of semiconductor interfaces, laying the foundation for electronic devices and the Information Age.
In 1984, Tokyo Science University Professor Norio Taniguchi coined the term 'nanotechnology' to describe precision machining of materials to within atomic-scale dimensional tolerances.
In 1988, the Russian scientist Alexei Ekimov discovered nanocrystalline, semiconducting quantum dots in a glass matrix and conducted pioneering studies of their electronic and optical properties.
In 1985, Bell Labs's Louis Brus discovered colloidal semiconductor nanocrystals (quantum dots), for which he shared the 2010 Kavli Prize in Nanotechnology.
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